Tag archive: dual layer disc

The disc is not a product, as yet; instead, the format will be submitted to the DVD Forum for approval, the company said. The dual-layer disc would store approximately 8.5 Gbytes of data, or roughly 11 hours of video. The disc uses a semi-transparent top layer to allow the recording of data to a second layer. JVC said it had developed a new recording technology, called “N-Strategy”, which the company said it had… Read More

According to the DVD Forum's web site, the DVD Forum approved the specification on June 9 or 10. In November, the consortium approved version 0.9, which defines a 15-Gbyte single layer DVD disc and a 30-Gbyte dual-layer disc. The approval appears to set the stage for yet another optical storage standards battle. The DVD Forum's member list includes companies like NEC and Toshiba, who developed the current DVD-R and DVD-RW… Read More

In response to growing industry support for the Blu-ray Disc standard, the 13 members of the Blu-ray Disc Founders today announced plans to create the Blu-ray Disc Association ("BDA").  The new entity will establish format standards and promote and further develop business opportunities for Blu-ray Disc (BD) - the next generation optical disc for storing high-definition movies, photos and other digital content. The Blu-ray Disc… Read More

HD-DVD backers at the press event, who also included disc replicators Cinram and Memory-Tech, said the advantages of their format compared to the rival Blu-ray Disc include the use of two bonded discs with a data layer 0.6mm below the surface. This will allow for more cost-effective read/write optics and will enable current manufacturing equipment to be used for HD-DVD. The HD-DVD discs also will not require caddies to protect the… Read More